🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.64

Radius: 0.84

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 0.51 AU - 0.71 AU

Year: 313 Days

Day: 37.2 Hours

Environment

Temp: -124 °C

Axial Tilt: 16.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.67

Radius: 0.85

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 0.53 AU - 0.73 AU

Year: 328 Days

Day: 17.6 Hours

Environment

Temp: -128 °C

Axial Tilt: 30 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 185

Radius: 9.5

Gravity: 2.05 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 0.64 AU - 0.9 AU

Year: 443 Days

Day: 5.9 Hours

Environment

Temp: -150 °C

Axial Tilt: 21.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 38,042,300 km

• M1: 118,182 km (0.073 R)
• M2: 436,527 km (0.11 R)
• M3: 829,670 km (0.077 R)
• M4: 1,244,654 km (0.105 R)
• M5: 2,292,887 km (0.112 R)
• M6: 2,870,035 km (0.045 R)
• M7: 3,283,224 km (0.091 R)
• M8: 3,746,679 km (0.118 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 598.8

Radius: 8.8

Gravity: 7.73 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 0.97 AU - 0.99 AU

Year: 636 Days

Day: 13 Hours

Environment

Temp: -149 °C

Axial Tilt: 7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 38,042,300 km

• M1: 112,797 km (0.116 R)
• M2: 402,418 km (0.088 R)
• M3: 930,349 km (0.064 R)
• M4: 1,587,383 km (0.081 R)
• M5: 1,969,456 km (0.025 R)
• M6: 2,264,164 km (0.03 R)
• M7: 3,194,214 km (0.097 R)
• M8: 3,511,361 km (0.077 R)
• M9: 4,239,005 km (0.115 R)
• M10: 4,528,926 km (0.117 R)
• M11: 4,996,868 km (0.07 R)
• M12: 5,320,598 km (0.108 R)
• M13: 5,768,045 km (0.095 R)
• M14: 6,240,475 km (0.068 R)
• M15: 6,697,646 km (0.068 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 459

Radius: 14.1

Gravity: 2.31 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 1.06 AU - 1.58 AU

Year: 995 Days

Day: 15 Hours

Environment

Temp: -181 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 38,042,300 km

• M1: 175,628 km (0.08 R)
• M2: 779,555 km (0.085 R)
• M3: 1,845,290 km (0.108 R)
• M4: 2,372,921 km (0.113 R)
• M5: 2,964,132 km (0.061 R)
• M6: 3,416,666 km (0.119 R)
• M7: 4,238,257 km (0.04 R)
• M8: 4,730,584 km (0.092 R)
• M9: 5,224,406 km (0.06 R)
• M10: 5,675,294 km (0.095 R)
• M11: 6,698,993 km (0.112 R)
• M12: 7,556,637 km (0.116 R)
• M13: 8,061,380 km (0.086 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 86

Radius: 14.8

Gravity: 0.39 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 2.09 AU - 2.53 AU

Year: 2303 Days

Day: 9 Hours

Environment

Temp: -188 °C

Axial Tilt: 35.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 38,042,300 km

• M1: 184,005 km (0.03 R)
• M2: 852,708 km (0.116 R)
• M3: 1,925,624 km (0.052 R)
• M4: 4,656,383 km (0.109 R)
• M5: 5,744,409 km (0.086 R)
• M6: 7,018,384 km (0.077 R)
• M7: 7,498,144 km (0.103 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.22 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 123

Radius: 6.1

Gravity: 3.31 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 5.69 AU - 6.75 AU

Year: 10176 Days

Day: 24.1 Hours

Environment

Temp: -230 °C

Axial Tilt: 11.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 38,042,300 km

• M1: 77,641 km (0.111 R)
• M2: 281,244 km (0.063 R)
• M3: 668,403 km (0.096 R)
• M4: 978,220 km (0.078 R)
• M5: 1,338,153 km (0.079 R)
• M6: 1,719,328 km (0.056 R)
• M7: 1,970,054 km (0.099 R)
• M8: 2,170,216 km (0.106 R)
• M9: 2,545,557 km (0.07 R)
• M10: 3,074,386 km (0.074 R)
• M11: 3,486,229 km (0.116 R)
• M12: 7,094,679 km (0.101 R)
• M13: 7,955,316 km (0.092 R)
• M14: 8,692,534 km (0.113 R)
• M15: 9,155,988 km (0.034 R)
• M16: 12,531,514 km (0.1 R)
• M17: 13,123,024 km (0.078 R)
• M18: 14,737,036 km (0.083 R)
• M19: 15,009,154 km (0.084 R)
• M20: 17,550,822 km (0.118 R)
• M21: 17,980,018 km (0.059 R)
• M22: 19,570,244 km (0.1 R)
• M23: 20,635,680 km (0.116 R)
• M24: 20,839,731 km (0.12 R)
• M25: 22,092,165 km (0.11 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 114.8

Radius: 7.6

Gravity: 1.99 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 7.64 AU - 10.06 AU

Year: 17271 Days

Day: 23.3 Hours

Environment

Temp: -234 °C

Axial Tilt: 19.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 38,042,300 km

• M1: 116,986 km (0.083 R)
• M2: 393,592 km (0.091 R)
• M3: 777,011 km (0.116 R)
• M4: 1,039,256 km (0.112 R)
• M5: 2,468,963 km (0.073 R)
• M6: 3,111,636 km (0.099 R)
• M7: 3,393,628 km (0.036 R)
• M8: 4,641,573 km (0.104 R)
• M9: 8,128,400 km (0.064 R)
• M10: 10,467,961 km (0.056 R)
• M11: 11,765,274 km (0.062 R)
• M12: 15,162,193 km (0.114 R)
• M13: 17,217,219 km (0.112 R)
• M14: 19,596,723 km (0.111 R)
• M15: 20,865,013 km (0.103 R)
• M16: 22,828,186 km (0.049 R)
• M17: 24,315,788 km (0.071 R)
• M18: 25,691,340 km (0.119 R)
• M19: 30,031,174 km (0.099 R)
• M20: 34,195,680 km (0.073 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 227 - 11,381 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit